4V120-420 SERIES DOUBLE SOLENOID VALVE

4V120-420 SERIES DOUBLE SOLENOID VALVEValve Model4V120-1/84V220-1/44V320-3/84V420-1/2Port & MountingBody PortedAction & MotionAir Pilot, Spool Design, Response Time 20 ms, Double SolenoidOperating Pressure21-115 PSIPort Sizes1/8 NPT1/4 (in/outlet)3/8 (in/outlet)1/8 (Exhaust)1/4 Exhaust)Operating Temp.1/2 NPT14 to 140 FCv0.670.891.682.79SFCM @ 80PSI255380160Manual OverrideDetentableElectrical ConnectionGrommet, DINWorking Medium40 micron filtered air or inert gasCoil Insulation &IP 65, Class FProtection ClassCoil Duty Cycle100% EDCoil Voltage OptionsOptions: 12, 24 VDC; 24,110/120, 220/240 VAC (50/60Hz)Coil Power2.5W3/4.8WValve Body MaterialAnodized AluminumSeal MaterialNBR (Buna N)LubricationNot RequiredTMStcValve.com; 650-856 8833connects fluid power to industrial automationTM1

4V120-420 SERIES SOLENOID VALVE DIMENSIONS2

4V120-420 SERIES SOLENOID VALVE DIMENSIONS3

4-Way Solenoid ValveModels 4V110-4V410Installation ProcedureNote: This valve is designed for air flow only.Warning: Do NOT over tighten the nut holding the coil to the armature tube. Over tightening may result indamage to the welded joint.Attaching a Coil to a Valve:1. After wiring the coil, fit the coil assembly over the armature tube. Ensure that the threads of the tubeare accessible.2. Fit the spring or lock washer over the assembly.o For spring washers, the concave side should be oriented toward the coil.3. Tighten the nut over the washer by hand.o For spring washers, tighten the nut further until the spring coil is almost completely flat.o For lock washers, tighten the nut another quarter turn.Installing Valve onto Manifold:Note: Manifolds can fit 2, 4, 6, 8 and 16 valves. Secure screws until the component will not move freely, and tighten another quarter turn.Procedure:1. Place a rubber seal over the manifold openings.2. Line up the valve with port “P” and corresponding pilot holes for the screws.3. Secure the valve into place.4. Cover the remaining holes with the provided gaskets.Installation:1. Connect the source to the port labeled “P”.2. Connect the first outlet to the port labeled “A”.3. Connect the first exhaust to the port labeled “EA”.4. Connect the second outlet to the port labeled “B”.5. Connect the second exhaust to the port labeled “EB”.Maintenance and TroubleshootingNote: After an extended period of operation, if you do not hear a clicking sound when the valve is operational, and the wiring is correct, the coil may be burned out and must be replaced. This commonly occurswhen input voltages are higher than the coil’s specifications.Procedure:1. Remove any coils attached to the valve.2. Unscrew the holding plate and the armature tube and remove it from the valve body. Remove the piston and the spring.3. Check for any debris that may have collected on the piston and the hole in the center of the valve.4. Insert the piston and spring back into the valve body.5. Screw the armature tube and holding plate back into the valve.Reference FiguresFigure 1: Model 4V110 with port labels shown.StcValve.com; 650-856 8833Figure 2: 4-way valve with cutout, showing piston.4

Installation of 3V100-400 and 4V100-400 Solenoid ValvesConnect the 3V100-400 3 way valveinlet and out as shown in the diagram :P Air Supply PortA Outlet A PortEA/EB Exhaust Outlet A(Connection Optional)Connect the 4V100-400 4 way valveinlet and out as shown in the diagram :P Air Supply PortA Outlet A PortB Outlet B PortEA Exhaust Outlet A Port(Connection Optional)EB Exhaust Outlet B Port(Connection Optional)Connection of 3V100–400 & 4V100-400 Solenoid CoilsElectrical ConnectionsTo connect DIN coils:1. Remove the Philip screw from the plastic housing and unplug it from the DIN coil.2. From the screw opening, use the screw to push the terminal block out of the plastic housing.3. Note the 1, 2 and ground markings on underside of DIN enclosure.4. For DC DIN Coil, Connect 1 to Positive, 2 to Negative.5. For AC DIN Coil, connect 1 to HOT wire, 2 to Neutral wire, and if required connect ground to groundwire.To connect Grommet coils or Lead Wire DIN coils:DC Coil:1. If the DC solenoid coil has a red and a black wire, Connect Positive to RED wire and Negative toBlack wire.2. If the DC solenoid has two same color wires, connect Positive to one of the two wires and Negativeto the other wire.AC Coil:1. If the AC solenoid coil has a black a white wire, Connect the HOT wire to BLACK wire and Neutral toWHITE wire.2. If the AC solenoid has two same color wires, connect HOT wire to one of the two wires andNEUTRAL wire to the other wire.5

STC Installation and Operation Procedure3V120-3V420 & 4V120-4V420 Solenoid Valves3V120-3V420 (3 way valve)ASOLENOIDPAEPVALVE POSITION 1SOLENOIDE2Operations:1. When Solenoid is OFF (Position 1), Port A is connected to Port E. Port P is closed2. When Solenoid is ON (Position 2), Port P is connected to Port A. Port E is closed.4V120-4V420 (4 way valve)SOLENOIDAEABP EBVALVE POSITION 1AEABSOLENOIDP EB2Operations:When Solenoid is OFF (Position 1), Port P is connected to Port A. Port B is connected to Port EB.2. When Solenoid is ON (Position 2), Port P is connected to Port B. Port A is connected to Port EA.1.6

Catalog No.: PUB 2012—4V120-420Terms and ConditionsBy purchasing from SIZTO TECH CORPORATION (STC), you agree to these TERMS AND CONDITIONS. No other terms shall apply except asagreed in writing signed by us. We reserve the right to correct typographic errors and reject orders.SHIPMENTS:All shipments are F.O.B. 892 Commercial Street, Palo Alto, CA 94303, USA. Most orders are shipped via UPS Standard Ground unless instructions accompany order. Outside the UPS zones, shipment will be made Best Way. The responsibility for goods delay, lost or damaged in transitrests with the carrier and purchaser. Purchaser may purchase shipping insurance to cover lost or damaged products caused by shipping.RETURN OF MERCHANDISE:No merchandise is accepted for return 30 days after delivery date. No credit allowed on merchandise shipped as ordered and returned withoutobtaining an authorization number IN ADVANCE. A 20% restocking charge applies to all returns, and transportation charges must be fully prepaid. We will pay ground transportation charges on re-sent or returned merchandise due to STC's error.Shortages & Mis-Shipments: Any shortages or mis-shipment must be reported within 15 days.CANCELLATION POLICY:Blanket order can be canceled 90 days before scheduled ship date. There will be a 10% charge if a blanket order is cancel within 90 days ofscheduled ship date, and a 20% charge if cancel within 60 days. Regular order for non-custom parts can be canceled any time before the orderis shipped. For custom parts, a 30% down payment is required either at the time of order or 90 days prior to scheduled ship date, whichevercomes later.Remittances should be sent to:Sizto Tech Corporation, 892 Commercial Street, Palo Alto, CA 94303, USACredit Card Payments: Visa, MasterCard, Discover, or American Express AcceptedInternational Customers: Advance Payment Required via Bank Wire, Cashier's Check or Approved Credit Card.Credit Application: To establish a net 30 day account, please mail or fax three trade references with complete mailing addresses and accountnumbers.LIMITED WARRANTY – IMPORTANT NOTICE TO PURCHASER:Sizto Tech Corporation (STC) only warrants this product to be free from defects in materials and workmanship at the time of shipment. Thislimited warranty expires one year after delivery to the end-user. STC’s entire obligation to the Purchaser for breach of this limited warranty shallbe limited to replacement of the defective product or refund of the original purchase price of this product, at STC’s option. Purchaser has thirty(30) days to return the goods after STC has agreed to accept the return. All freight charges on returned material shall be paid by the Purchaser.STC’s limited warranty shall not apply, however, to the product that have been subjected to misuse, alteration, accident or negligence duringhandling or storage.DISCLAIMER OF IMPLIED WARRANTIES:All implied warranties, which may arise by implication of law or application of course of dealing or usage of trade, including, but not limited to,implied warranties of merchantability or fitness for a particular purpose are expressly excluded. There are no warranties, which extend beyondthe description of the faced hereof. The end user is solely responsible for the suitability and fitness of this product selected for a particular application.OBLIGATIONSYou warrant, represent and agree: (1) to comply with all laws; (2) that our sale and shipment of the product will not, by export thereof, your legalstatus or otherwise, cause us to violate any law; and (3) to indemnify us against any losses from a failure by you or a third party to comply withlaw or these terms and conditions, or from use of the product.SAFETY WARNINGFailure or improper selection or improper use of the components and products described herein or related items can cause death,personal injury and/or property damage. This document and other related information from STC provide products options for further investigation by users having the technical expertise. It is important that you analyze all aspects of your application and review the information concerning the component or product in the current catalog. Due to the variety of operation conditions and applications for these components orproducts, the user, through his own analysis and testing, is solely responsible for making the final selection, installation and maintenance of theproducts and assuring that all performance, safety and warning requirements of the application are met. All products set-ups and maintenancerequire the supervision of a qualified individual who is familiar with installation, inspection and testing through training or experience.IMPORTANT NOTICE:The products described herein, including without limitation, product features, specifications, design, availability and pricing, are subject tochange without notice. We continuously improve the products, and we reserve the right to change specifications without incurring any obligationto incorporate new factors in equipment previously sold.Sizto Tech CorporationS TCInformation contained herein may be changed without prior notification.892 Commercial StreetPalo Alto, CA 94303 USATel: 650-856 8833 Fax: 650-856 8811Email: Sales@StcValve.com; www.StcValve.com7

STC Installation and Operation Procedure 3V120-3V420 & 4V120-4V420 Solenoid Valves 4V120-4V420 (4 way valve) SOLENOID VALVE POSITION 1 2 Operations: 1. When Solenoid is OFF (Position 1), Port P is connected to Port A. Port B is connected to Port EB. 2. When Solenoid is ON (Position 2), Port